mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 17:58:23 +00:00
7e83f1d5e8
sata_probe returns 1 for failure, so don't checkout for < 0
fixes: f19f1ecb60 dm: sata: Support driver model with the 'sata' command
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
128 lines
2.7 KiB
C
128 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2000-2005, DENX Software Engineering
|
|
* Wolfgang Denk <wd@denx.de>
|
|
* Copyright (C) Procsys. All rights reserved.
|
|
* Mushtaq Khan <mushtaq_k@procsys.com>
|
|
* <mushtaqk_921@yahoo.co.in>
|
|
* Copyright (C) 2008 Freescale Semiconductor, Inc.
|
|
* Dave Liu <daveliu@freescale.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <ahci.h>
|
|
#include <dm.h>
|
|
#include <command.h>
|
|
#include <part.h>
|
|
#include <sata.h>
|
|
#include <dm/device-internal.h>
|
|
#include <dm/uclass-internal.h>
|
|
|
|
static int sata_curr_device = -1;
|
|
|
|
int sata_remove(int devnum)
|
|
{
|
|
#ifdef CONFIG_AHCI
|
|
struct udevice *dev;
|
|
int rc;
|
|
|
|
rc = uclass_find_device(UCLASS_AHCI, devnum, &dev);
|
|
if (!rc && !dev)
|
|
rc = uclass_find_first_device(UCLASS_AHCI, &dev);
|
|
if (rc || !dev) {
|
|
printf("Cannot find SATA device %d (err=%d)\n", devnum, rc);
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
|
|
rc = device_remove(dev, DM_REMOVE_NORMAL);
|
|
if (rc) {
|
|
printf("Cannot remove SATA device '%s' (err=%d)\n", dev->name,
|
|
rc);
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
|
|
return 0;
|
|
#else
|
|
return sata_stop();
|
|
#endif
|
|
}
|
|
|
|
int sata_probe(int devnum)
|
|
{
|
|
#ifdef CONFIG_AHCI
|
|
struct udevice *dev;
|
|
struct udevice *blk;
|
|
int rc;
|
|
|
|
rc = uclass_get_device(UCLASS_AHCI, devnum, &dev);
|
|
if (rc)
|
|
rc = uclass_find_first_device(UCLASS_AHCI, &dev);
|
|
if (rc) {
|
|
printf("Cannot probe SATA device %d (err=%d)\n", devnum, rc);
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
rc = sata_scan(dev);
|
|
if (rc) {
|
|
printf("Cannot scan SATA device %d (err=%d)\n", devnum, rc);
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
|
|
rc = blk_get_from_parent(dev, &blk);
|
|
if (!rc) {
|
|
struct blk_desc *desc = dev_get_uclass_platdata(blk);
|
|
|
|
if (desc->lba > 0 && desc->blksz > 0)
|
|
part_init(desc);
|
|
}
|
|
|
|
return 0;
|
|
#else
|
|
return sata_initialize() < 0 ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
|
|
#endif
|
|
}
|
|
|
|
static int do_sata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
int rc = 0;
|
|
|
|
if (argc >= 2) {
|
|
int devnum = 0;
|
|
|
|
if (argc == 3)
|
|
devnum = (int)simple_strtoul(argv[2], NULL, 10);
|
|
if (!strcmp(argv[1], "stop"))
|
|
return sata_remove(devnum);
|
|
|
|
if (!strcmp(argv[1], "init")) {
|
|
if (sata_curr_device != -1) {
|
|
rc = sata_remove(devnum);
|
|
if (rc)
|
|
return rc;
|
|
}
|
|
|
|
return sata_probe(devnum);
|
|
}
|
|
}
|
|
|
|
/* If the user has not yet run `sata init`, do it now */
|
|
if (sata_curr_device == -1) {
|
|
rc = sata_probe(0);
|
|
if (rc)
|
|
return rc;
|
|
sata_curr_device = 0;
|
|
}
|
|
|
|
return blk_common_cmd(argc, argv, IF_TYPE_SATA, &sata_curr_device);
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
sata, 5, 1, do_sata,
|
|
"SATA sub system",
|
|
"init - init SATA sub system\n"
|
|
"sata stop [dev] - disable SATA sub system or device\n"
|
|
"sata info - show available SATA devices\n"
|
|
"sata device [dev] - show or set current device\n"
|
|
"sata part [dev] - print partition table\n"
|
|
"sata read addr blk# cnt\n"
|
|
"sata write addr blk# cnt"
|
|
);
|